.chapter_one{
    margin: 0 auto;
    background-color: #FFFFFF;
    padding-top: 78px;
    width: 1102px;
}
.clear{ clear:both} 

.chapter_one .history_title{
	margin: 0 auto;
	width: 340px;
	height: 96px;
}

.chapter_one .history_title img{
	width: 100%;
	display: block;
}

.chapter_one .historycon{
	width: 1102px;
	margin: 0 auto;
	margin-top: 24px;
}

.chapter_one .historycon_two{
	width: 1102px;
	margin: 0 auto;
}

.chapter_one .historycon .floor{
	width: 100%;
}

.historycon_font{
	text-align: center;
	color: #039f9e;
	font-size: 40px;
	font-weight: bold;
}

.chapter_one_font{
	width: 100%;
	height: 100px;
	line-height: 100px;
}

.font_left{
	float: left;
	width: 49%;
	font-weight:bold;
	font-size: 50px;
}

.font_right{
	padding-left: 24px;
	float: left;
	width: 49%;
	padding-top: 27px;
}
.font_right p{
	line-height: 20px;
	font-size: 17px;
}

.chapter_one_video{
	width: 100%;
	margin: 24px 0px; 
	height: 429px;
	display: block;
}

.img_left{
	float: left;
	width: 39%;
}
.video_right{
	float: left;
	width: 60%;
	margin-top: 24px;
}


.chapter_1_1_left{
	width: 54%;
	float: left;
}
.chapter_1_1_left_up{
	width: 100%;
	height:340px;
	padding-top: 80px;
}
.chapter_1_1_left_up p{
	font-size: 17px;
	line-height: 24px;
}

.chapter_1_1_left_down{
	width: 100%;
	height:212px;
}
 
.chapter_1_1_right{
	width: 44%;
	float: right;
}

.chapter_1_2_left{
	width: 47%;
	float: left;
}

.chapter_1_2_left_up{

}
.chapter_1_2_left_down{
	background-color: #01a29a;
	color: #ffffff;
	font-size: 18px;
	height: 100px;
	padding: 12px 24px;
}

.chapter_2_1_right_down{
	background-color: #01a29a;
	color: #ffffff;
	font-size: 18px;
	height: 100px;
	padding: 24px 24px;
}


.chapter_1_2_right{
	width: 47%;
	float: right;
}

.chapter_2_1_left{
	width: 501px;
	height: 413px;
	float: left;
	padding-top: 150px;
	background-image: url("../images/chapter_2_1.png");
}
.chapter_2_1_left p{
	font-size: 30px;
	font-weight: bold;
	color: #000000;
	line-height: 45px;
}

.chapter_2_1_right{
	width: 46%;
	float: right;
}


.chapter_2_2_left{
	width: 50%;
	float: left;
}

.chapter_2_2_right{
	width: 50%;
	float: right;
	padding-top: 90px;
	text-indent: 24px;
}
.chapter_2_2_right p{
	text-align: left;
	font-size: 17px;
	line-height: 25px
}

.chapter_2_4_left{
	width: 38%;
	float: left;
	padding-top: 50px;
	background-image: url("../images/fly_bg.png");
}
.chapter_2_4_left p{
	text-align: right;
	font-size: 17px;
	line-height: 25px
}

.chapter_2_4_right{
	width: 61%;
	float: right;
}



.chapter_3_2_left{
	width:45%;
	float: left;
}

.chapter_font_1{
	width: 100%;
}

.chapter_font_1 p{
	font-weight: bold;
	font-size: 30px;
	color: #000000;
	line-height: 40px;
}

.chapter_3_2_right{
	width: 55%;
	float: right;
}



.chapter_3_2{
	width: 25%;
	float: left;
	padding-left: 12px;
}

.chapter_3_2_img{
	vertical-align: middle;
	text-align: center;
}
.chapter_3_2_name{
	font-size: 30px;
	font-weight: bold;
	text-align: center;
	margin-top: 15px;
}

.chapter_3_2_area{
	font-size: 20px;
	text-align: center;
	margin-top: 12px;
}

.chapter_3_2_font{
	font-size: 17px;
	text-align: left;
	width: 90%;
	margin-top: 12px;
	margin: 0 auto;
}








.chapter_3_3_left{
	width: 27%;
	float: left;
}

.chapter_3_3_center{
	width: 28%;
	float: left;
}

.chapter_3_3_right{
	float: right;
	width: 44%;
	padding-left: 50px;
}

.three_font_big {
    font-weight: bold;
}

.three_font_big p{
    font-weight: bold;
    text-align: left;
    font-size: 40px;
    font-weight: bold;
    line-height: 40px;
}

.three_font_small {
    text-align: left;
}
.three_font_small p{
    font-size: 24px;
    text-align: left;
    line-height: 30px;
}

.a_lines {
    width: 50px;
    height: 10px;
    margin: 24px 0px;
    border: 2px solid #009f97;
    background-color: #009f97;
    text-align: center;
}